CA1205892A - Optical beam switching device and telephone exchange comprising a device of this kind - Google Patents
Optical beam switching device and telephone exchange comprising a device of this kindInfo
- Publication number
- CA1205892A CA1205892A CA000417734A CA417734A CA1205892A CA 1205892 A CA1205892 A CA 1205892A CA 000417734 A CA000417734 A CA 000417734A CA 417734 A CA417734 A CA 417734A CA 1205892 A CA1205892 A CA 1205892A
- Authority
- CA
- Canada
- Prior art keywords
- beams
- circuits
- inscribing
- photosensitive medium
- photoemitter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 21
- 108091008695 photoreceptors Proteins 0.000 claims abstract description 11
- 230000035945 sensitivity Effects 0.000 claims abstract description 8
- 230000003595 spectral effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000011159 matrix material Substances 0.000 claims description 22
- 239000013078 crystal Substances 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- JSILWGOAJSWOGY-UHFFFAOYSA-N bismuth;oxosilicon Chemical compound [Bi].[Si]=O JSILWGOAJSWOGY-UHFFFAOYSA-N 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 12
- 229910052718 tin Inorganic materials 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000006066 Comins reaction Methods 0.000 description 1
- 244000287680 Garcinia dulcis Species 0.000 description 1
- 108090001090 Lectins Proteins 0.000 description 1
- 102000004856 Lectins Human genes 0.000 description 1
- 239000004988 Nematic liquid crystal Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002523 lectin Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
- 108020003175 receptors Proteins 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
- G02B6/3534—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being diffractive, i.e. a grating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Optical Communication System (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Holo Graphy (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8123729 | 1981-12-18 | ||
| FR8123729A FR2518766A1 (fr) | 1981-12-18 | 1981-12-18 | Dispositif de commutation de faisceaux optiques et central telephonique comprenant un tel dispositif |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1205892A true CA1205892A (en) | 1986-06-10 |
Family
ID=9265183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000417734A Expired CA1205892A (en) | 1981-12-18 | 1982-12-15 | Optical beam switching device and telephone exchange comprising a device of this kind |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4543662A (OSRAM) |
| EP (1) | EP0083520B1 (OSRAM) |
| JP (1) | JPS58111019A (OSRAM) |
| CA (1) | CA1205892A (OSRAM) |
| DE (1) | DE3267326D1 (OSRAM) |
| FR (1) | FR2518766A1 (OSRAM) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2544151B1 (fr) * | 1983-04-06 | 1985-06-21 | Thomson Csf | Dispositif de commutation spatiale de faisceaux optiques |
| FR2548795B1 (fr) * | 1983-07-04 | 1986-11-21 | Thomson Csf | Dispositif de commutation optique a deplacement de fluide et dispositif de composition d'une ligne de points |
| US4705344A (en) * | 1984-12-19 | 1987-11-10 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical interconnection arrangement |
| US4764889A (en) * | 1984-12-19 | 1988-08-16 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical logic arrangement with self electro-optic effect devices |
| US4764890A (en) * | 1984-12-19 | 1988-08-16 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical logic arrangement |
| US4703993A (en) * | 1984-12-19 | 1987-11-03 | American Telephone And Telegraph Company, At&T Bell Laboratories | Method and apparatus for making a device for optically interconnecting optical devices |
| US4811210A (en) * | 1985-11-27 | 1989-03-07 | Texas Instruments Incorporated | A plurality of optical crossbar switches and exchange switches for parallel processor computer |
| WO1987004530A1 (fr) * | 1986-01-20 | 1987-07-30 | Georges Cornuejols | Dispositif de traitement d'image pour le controle de la fonction de transfert d'un systeme optique |
| FR2607941B1 (fr) * | 1986-12-09 | 1989-02-10 | Thomson Csf | Dispositif bistable optique a cristal photorefractif |
| GB8704016D0 (en) * | 1987-02-20 | 1987-04-15 | British Telecomm | Optical space switch |
| US5151814A (en) * | 1987-08-19 | 1992-09-29 | Hughes Aircraft Company | Phased array for optical beam control |
| US4937539A (en) * | 1987-08-19 | 1990-06-26 | Hughes Aircraft Company | Phased array for optical beam control |
| DE69024988T2 (de) * | 1989-03-09 | 1996-06-13 | Canon Kk | Optische Schaltanordnung zur bidirektionalen Signalübertragung zwischen mehreren Endeinrichtungen |
| US5153870A (en) * | 1989-06-29 | 1992-10-06 | Digital Equipment Corporation | Rotary head actuator for optical disk |
| US5071232A (en) * | 1989-08-01 | 1991-12-10 | Ricoh Company, Ltd. | Optical deflection element and space optical matrix switching device |
| FR2674391B1 (fr) * | 1991-03-19 | 1993-06-04 | Thomson Csf | Dispositif d'intercorrelation large bande et dispositif mettant en óoeuvre ce procede. |
| FR2664712B1 (fr) * | 1991-10-30 | 1994-04-15 | Thomson Csf | Dispositif de modulation optique a cellules deformables. |
| FR2696014B1 (fr) * | 1992-09-18 | 1994-11-04 | Thomson Csf | Miroir à conjugaison de phase. |
| FR2755516B1 (fr) | 1996-11-05 | 1999-01-22 | Thomson Csf | Dispositif compact d'illumination |
| DE10061259A1 (de) * | 2000-12-01 | 2002-06-27 | Fraunhofer Ges Forschung | Schaltungsanordnung |
| FR2819061B1 (fr) * | 2000-12-28 | 2003-04-11 | Thomson Csf | Dispositif de controle de polarisation dans une liaison optique |
| FR2860291B1 (fr) * | 2003-09-26 | 2005-11-18 | Thales Sa | Dispositif capteur de vitesse de rotation interferometrique a fibre optique |
| US7805080B2 (en) * | 2007-06-22 | 2010-09-28 | Hewlett-Packard Development Company, L.P. | Optical interconnect |
| US11777603B2 (en) * | 2019-01-16 | 2023-10-03 | X Development Llc | High magnification afocal telescope with high index field curvature corrector |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3614192A (en) * | 1969-12-18 | 1971-10-19 | Perkin Elmer Corp | Holographic logic operator for an optical data processing system |
| DE2206098C3 (de) * | 1972-02-09 | 1980-03-13 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Koppelfeld für ein Vermittlungssystem von Nachrichtenkanälen, vorzugsweise im optischen Frequenzbereich |
| FR2243573A1 (en) * | 1973-09-06 | 1975-04-04 | Treheux Michel | Broadband electro-optical coupler for telephony - uses point holography by scanning photo-matrix with laser's and LED's |
| US3985975A (en) * | 1975-03-04 | 1976-10-12 | International Telephone And Telegraph Corporation | Holographic telephone switching system |
| FR2385266A1 (fr) * | 1977-03-25 | 1978-10-20 | Thomson Csf | Dispositif de commutation electro-optique et autocommutateur telephonique comprenant un tel dispositif |
| FR2468947A1 (fr) * | 1979-11-05 | 1981-05-08 | Thomson Csf | Systeme de correlation optique en temps reel |
| FR2495873B1 (fr) * | 1980-12-05 | 1987-01-02 | Thomson Csf | Dispositif de commutation de faisceaux optiques et central telephonique comprenant un tel dispositif |
-
1981
- 1981-12-18 FR FR8123729A patent/FR2518766A1/fr active Granted
-
1982
- 1982-09-24 US US06/423,316 patent/US4543662A/en not_active Expired - Fee Related
- 1982-12-07 DE DE8282402237T patent/DE3267326D1/de not_active Expired
- 1982-12-07 EP EP82402237A patent/EP0083520B1/fr not_active Expired
- 1982-12-15 CA CA000417734A patent/CA1205892A/en not_active Expired
- 1982-12-16 JP JP57221065A patent/JPS58111019A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58111019A (ja) | 1983-07-01 |
| FR2518766A1 (fr) | 1983-06-24 |
| EP0083520B1 (fr) | 1985-11-06 |
| DE3267326D1 (en) | 1985-12-12 |
| US4543662A (en) | 1985-09-24 |
| EP0083520A1 (fr) | 1983-07-13 |
| FR2518766B1 (OSRAM) | 1985-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1205892A (en) | Optical beam switching device and telephone exchange comprising a device of this kind | |
| US3604778A (en) | Fourier transform recording with random phase shifting | |
| d’Auria et al. | Experimental holographic read-write memory using 3-D storage | |
| US3831035A (en) | Switching network for information channels, preferably in the optical frequency range | |
| US5369511A (en) | Methods of and apparatus for manipulating electromagnetic phenomenon | |
| US4673241A (en) | Diffraction gratings and optical branching filter elements | |
| EP0477036B1 (en) | Optical information transmitting device | |
| JP3547610B2 (ja) | 体積ホログラフィックメモリ光情報記録再生装置 | |
| Burr et al. | Angle and space multiplexed holographic storage using the 90 geometry | |
| US3530442A (en) | Hologram memory | |
| US3925727A (en) | Optical sampling oscilloscope utilizing organ arrays of optical fibers | |
| EP0571564A1 (en) | Optical phased arrays | |
| US3891976A (en) | Hologram memory with sequential data storage and beam angular relationship | |
| CA1173144A (en) | Switching device for optical beams and telephone exchange incorporating such a device | |
| GB2171811A (en) | Variable focal-length lens | |
| EP0632348A1 (en) | Volume holographic storage system | |
| US3698794A (en) | Sonic page composer for holographic memory | |
| US3703137A (en) | High-speed printing apparatus | |
| US5067792A (en) | Method and apparatus for interfacing of holographic and electronic data | |
| US5039182A (en) | Storing information in dual holographic images | |
| Herriau et al. | Optical-beam steering for fiber array using dynamic holography | |
| RU2085873C1 (ru) | Многолучевое интерференционное устройство | |
| US3610723A (en) | Holographic system for storing information lying in a plane | |
| FR2544151A1 (fr) | Dispositif de commutation spatiale de faisceaux optiques | |
| JP3121125B2 (ja) | 光スイッチ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |